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diff --git a/sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/get_field.m b/sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/get_field.m
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+function val = get_params(CPD, name)
+% GET_PARAMS Get the parameters (fields) for a gaussian_CPD object
+% val = get_params(CPD, name)
+%
+% The following fields can be accessed
+%
+% mean       - mu(:,i) is the mean given Q=i
+% cov        - Sigma(:,:,i) is the covariance given Q=i 
+% weights    - W(:,:,i) is the regression matrix given Q=i 
+%
+% e.g., mean = get_params(CPD, 'mean')
+
+switch name
+ case 'mean',      val = CPD.mean;
+ case 'cov',       val = CPD.cov;
+ case 'weights',   val = CPD.weights;
+ otherwise,
+  error(['invalid argument name ' name]);
+end